students=[
  ['王杰', '尚瑞星', '周昀浩', [['aa', 'bb', [11, 22, 33]]]],
  ['肖天梅', '刘丹', '李昕霞']
]

# 遍历列表 - 每个同学的名字打印出来
'''
for students_sub in students:
    for stu in students_sub:
        print(stu)
'''
# aa
# students[0]    # ['王杰', '尚瑞星', '周昀浩', [['aa', 'bb', [11, 22, 33]]]]
# students[0][-1]  # [['aa', 'bb', [11, 22, 33]]]
# students[0][-1][0]  # ['aa', 'bb', [11, 22, 33]]
# print(students[0][-1][0][0])
# print(students[0][-1][0][-1][1])





